tidemark
tide mark |ˈtīdˌmärk ˈtaɪdˌmɑrk | ▶noun a mark left or reached by the sea on a shore at the highest or lowest point of a tide.
tide |mark |ˈtʌɪdmɑːk | ▶noun a mark left or reached by the sea on a shore at the highest point of a tide. • Brit. informal a grimy mark left on a surface, especially around the inside of a bath or washbasin, at the level reached by water.
t í de m à rk 名詞 C 1 潮位線 ; 最高 [最低 ]到達点 .2 ｟英 くだけて ｠浴槽の水位のしみ ; 体の洗い残しのあと .
The Wordsmith Dictionary
The Wordsmith Dictionary